On eBay Now...

MT8870 DTMF Voice Decoder Module Telephone/ audio Decoder Speech decoding module For Sale

MT8870 DTMF Voice Decoder Module Telephone/ audio Decoder Speech decoding module
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.


Buy Now

MT8870 DTMF Voice Decoder Module Telephone/ audio Decoder Speech decoding module:
$0.99

Product Details

Features:1, onboard complex frequency decoder chip MT8870

2, voice input interface board


3, onboard five LED indicators for easy viewing output state


4, the chip have been drawn mainly basic pin


5, PCB size: 26.5 (mm) x24.5 (mm)


Note: PCB design, VCC pin and GND pin are in the opposite position, please be caution!


The VCC pin should be the GND pin , and the GND pin should be the VCC pin.

Package Included: 1 x MT8870 DTMF Voice Decoder Module Telephone/ audio Decoder Speech decoding module

Popular Tutorials

Alarms and Indicator Circuit diagrams Audio electronic circuits list Circuits for Cars/Motorcycles Computer/PC Hardware Circuits : Design Ideas : Fun/Games Circuits : Signal/Sequence/Misc. Generators : Home/Garden related Circuits : Lights & LED Circuits : Motor Circuits : Music related Circuits : < Oscillator Circuits : Power Supply (PS) Circuit diagrams : Radio,transmitter,receiver circuits : Remote Control Circuit diagrams : Robotics related Circuits : Sensors : Telephone Circuit diagrams : Test & Measurement Circuits :